^

Lion in a what?

Digital Media, Organizational, and Personal Development

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Coursera - R Programming - Week 1 - Basics

Setting Up Your Working Directory (Mac)

> getwd()
“/Users/neilthawani”

A file must be under your working directory if you want to read data from it.

dir() lists all the files in the working directory.

R Console Input and Evaluation

<- is the assignment operator

> x <- 1

print explicitly prints an object

> print(x) 
[1] 1

Typing ‘x’ auto-prints it.

> x
[1] 1

x is a numeric vector where the first element is 1.

# indicates comments.

To create integer sequences:

> x <- 1:20
> x
[1] 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
[16] 16 17 18 19 20